References
- Bergman R. April 5, 1977, Personal communication
- Licit and Illicit Drugs. Little, Brown, Boston 1972, Brecher E.M., and the Editors of Consumer Reports
- Elinson J., Josephson E., Zanes A., Haberman P. W. A Study of Teenage Drug Behavior. Columbia University School of Public Health. 1973, supported by NIDA Grant # 2–401-DA-00043
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- Heath D. B. A critical review of ethnographic studies of alcohol use. Research Advances in Alcohol and Drug Problems, R. J. Gibbins, Y. Israel, H. Kalant, R. E. Pophan, W. Schmidt, R. G. Smart. Wiley, New York 1975; Vol. 2
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- Perry D. C. Street drug analysis and drug use trends, 1969–1975, Part 1. PharmChem Newslet. 1977; 6(3)1–4